Use After Free The advisory has been revoked - it doesn't affect any version of package kernel-rt-debug  (opens in a new tab)


Threat Intelligence

Exploit Maturity
Mature
EPSS
0.06% (31st percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELRTDEBUG-2317390
  • published14 Dec 2021
  • disclosed2 Sept 2021

Introduced: 2 Sep 2021

CVE-2021-1048  (opens in a new tab)
CWE-416  (opens in a new tab)

Amendment

The Centos security team deemed this advisory irrelevant for Centos:7.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug package and not the kernel-rt-debug package as distributed by Centos.

In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-204573007References: Upstream kernel